/* YourNest Deal Screener — landing & login (yournest.in institutional aesthetic) */
@import url('/static/css/yn-design-tokens.css');

:root {
  --landing-bg: var(--yn-stone-50);
  --landing-surface: var(--yn-white);
  --landing-ink: var(--yn-ink-950);
  --landing-muted: var(--yn-ink-600);
  --landing-accent: var(--yn-red-600);
  --landing-accent-soft: var(--yn-red-100);
  --landing-border: var(--yn-border);
  --landing-radius: 14px;
  --landing-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --landing-shadow: 0 8px 40px rgba(18, 18, 18, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.yn-landing {
  margin: 0;
  min-height: 100vh;
  font-family: var(--yn-font-sans);
  color: var(--landing-ink);
  background: var(--landing-bg);
  -webkit-font-smoothing: antialiased;
}

/* --- Animated VC background (GPU-friendly transforms only) --- */

.yn-landing-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(200, 58, 52, 0.07), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 100%, rgba(18, 18, 18, 0.04), transparent 50%),
    linear-gradient(165deg, var(--yn-stone-50) 0%, #ece9e3 45%, var(--yn-stone-100) 100%);
}

.yn-landing-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 18, 18, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 18, 18, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 75%);
  animation: ynGridDrift 48s linear infinite;
}

.yn-orb {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
  filter: blur(0);
}

.yn-orb--1 {
  width: 420px;
  height: 420px;
  top: -8%;
  right: -6%;
  background: radial-gradient(circle, rgba(200, 58, 52, 0.14) 0%, transparent 68%);
  animation: ynOrbFloat1 22s var(--landing-ease) infinite;
}

.yn-orb--2 {
  width: 320px;
  height: 320px;
  bottom: 8%;
  left: -4%;
  background: radial-gradient(circle, rgba(38, 38, 38, 0.07) 0%, transparent 70%);
  animation: ynOrbFloat2 28s var(--landing-ease) infinite;
}

.yn-orb--3 {
  width: 180px;
  height: 180px;
  top: 42%;
  left: 18%;
  background: radial-gradient(circle, rgba(200, 58, 52, 0.09) 0%, transparent 72%);
  animation: ynOrbFloat3 18s var(--landing-ease) infinite;
}

.yn-vc-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 58, 52, 0.22), transparent);
  transform-origin: left center;
  opacity: 0.55;
}

.yn-vc-line--a {
  width: 38vw;
  top: 28%;
  left: 8%;
  animation: ynLinePulse 12s ease-in-out infinite;
}

.yn-vc-line--b {
  width: 28vw;
  top: 62%;
  right: 12%;
  animation: ynLinePulse 16s ease-in-out infinite 2s;
}

.yn-vc-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--landing-accent);
  box-shadow: 0 0 0 4px rgba(200, 58, 52, 0.12);
  opacity: 0.7;
}

.yn-vc-node--1 { top: 28%; left: 8%; animation: ynNodeGlow 8s ease-in-out infinite; }
.yn-vc-node--2 { top: 62%; right: 12%; animation: ynNodeGlow 10s ease-in-out infinite 1.5s; }
.yn-vc-node--3 { top: 18%; left: 42%; animation: ynNodeGlow 9s ease-in-out infinite 0.8s; }

@keyframes ynGridDrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(64px, 64px, 0); }
}

@keyframes ynOrbFloat1 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-24px, 18px, 0) scale(1.04); }
}

@keyframes ynOrbFloat2 {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(20px, -16px, 0) scale(1.06); }
}

@keyframes ynOrbFloat3 {
  0%, 100% { transform: translate3d(0, 0, 0); opacity: 0.55; }
  50% { transform: translate3d(12px, -20px, 0); opacity: 0.85; }
}

@keyframes ynLinePulse {
  0%, 100% { opacity: 0.35; transform: scaleX(0.92); }
  50% { opacity: 0.7; transform: scaleX(1); }
}

@keyframes ynNodeGlow {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.25); }
}

@keyframes ynFadeUp {
  from { opacity: 0; transform: translate3d(0, 16px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

/* --- Layout shell --- */

.yn-landing-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.yn-landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem);
}

.yn-brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
  color: inherit;
}

.yn-brand-lockup strong {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--landing-accent);
}

.yn-brand-lockup span {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--landing-muted);
}

.yn-landing-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.yn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s var(--landing-ease), border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.yn-btn:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.yn-btn--primary {
  background: var(--landing-accent);
  color: var(--yn-white);
  box-shadow: 0 2px 12px rgba(200, 58, 52, 0.28);
}

.yn-btn--primary:hover {
  background: var(--yn-red-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(200, 58, 52, 0.32);
}

.yn-btn--ghost {
  background: var(--landing-surface);
  color: var(--landing-ink);
  border-color: var(--landing-border);
}

.yn-btn--ghost:hover {
  border-color: var(--landing-accent);
  color: var(--landing-accent);
}

/* --- Homepage hero --- */

.yn-hero {
  flex: 1;
  display: grid;
  align-items: center;
  gap: 2.5rem;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 2.5rem) 3rem;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.yn-hero-copy {
  animation: ynFadeUp 0.7s var(--landing-ease) both;
}

.yn-eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--landing-accent);
  background: var(--landing-accent-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.yn-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.yn-hero-lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  line-height: 1.65;
  color: var(--landing-muted);
  max-width: 52ch;
}

.yn-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.yn-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.yn-pill {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--landing-muted);
  background: var(--landing-surface);
  border: 1px solid var(--landing-border);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
}

.yn-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  animation: ynFadeUp 0.85s var(--landing-ease) 0.12s both;
}

.yn-feature-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid var(--landing-border);
  border-radius: var(--landing-radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--landing-shadow);
}

.yn-feature-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.yn-feature-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--landing-muted);
}

.yn-landing-footer {
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
  border-top: 1px solid var(--landing-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--landing-muted);
  background: rgba(255, 255, 255, 0.55);
}

.yn-landing-footer a {
  color: var(--landing-accent);
  text-decoration: none;
  font-weight: 600;
}

.yn-landing-footer a:hover {
  text-decoration: underline;
}

/* --- Login page --- */

body.yn-login {
  margin: 0;
  min-height: 100vh;
  font-family: var(--yn-font-sans);
  color: var(--landing-ink);
  background: var(--landing-bg);
}

.yn-login-layout {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .yn-login-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.yn-login-story {
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  animation: ynFadeUp 0.75s var(--landing-ease) both;
}

@media (min-width: 900px) {
  .yn-login-story {
    display: flex;
  }
}

.yn-login-story .yn-eyebrow {
  margin-bottom: 0.85rem;
}

.yn-login-story h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 14ch;
}

.yn-login-story p {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--landing-muted);
  max-width: 38ch;
}

.yn-login-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.yn-login-stat strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--landing-accent);
  letter-spacing: -0.02em;
}

.yn-login-stat span {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--landing-muted);
}

.yn-login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.yn-login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--landing-border);
  border-radius: calc(var(--landing-radius) + 2px);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  box-shadow: var(--landing-shadow);
  animation: ynFadeUp 0.65s var(--landing-ease) 0.08s both;
}

.yn-login-card .tag {
  font-size: 0.72rem;
  color: var(--landing-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.yn-login-card h1 {
  margin: 0.5rem 0 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.yn-login-card > p,
.yn-login-card p {
  color: var(--landing-muted);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0 0 1rem;
  text-align: left;
}

.yn-login-card .google-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--landing-border);
  background: var(--yn-white);
  color: var(--landing-ink);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.yn-login-card .google-btn:hover:not(.disabled) {
  border-color: var(--landing-accent);
  box-shadow: 0 2px 12px rgba(18, 18, 18, 0.06);
  transform: translateY(-1px);
}

.yn-login-card .google-btn.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.yn-login-card .err {
  color: var(--yn-red-700);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-align: left;
  background: var(--landing-accent-soft);
  border: 1px solid rgba(200, 58, 52, 0.25);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: none;
}

.yn-login-card pre {
  text-align: left;
  font-size: 0.75rem;
  background: var(--yn-stone-100);
  border: 1px solid var(--landing-border);
  border-radius: 8px;
  padding: 0.75rem;
  overflow: auto;
  color: var(--landing-muted);
}

.yn-login-card input[type="password"] {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--landing-border);
  background: var(--yn-white);
  color: var(--landing-ink);
  margin-bottom: 0.75rem;
  font-size: 0.92rem;
}

.yn-login-card input[type="password"]:focus {
  outline: 2px solid rgba(200, 58, 52, 0.35);
  outline-offset: 1px;
  border-color: var(--landing-accent);
}

.yn-login-card button[type="submit"] {
  width: 100%;
  padding: 0.8rem;
  border-radius: 10px;
  border: none;
  background: var(--landing-accent);
  color: var(--yn-white);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.yn-login-card button[type="submit"]:hover {
  background: var(--yn-red-700);
}

.yn-login-card .foot {
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--landing-muted);
  text-align: center;
  line-height: 1.5;
}

.yn-login-mobile-tagline {
  display: block;
  text-align: center;
  font-size: 0.88rem;
  color: var(--landing-muted);
  margin-bottom: 1rem;
  line-height: 1.5;
}

@media (min-width: 900px) {
  .yn-login-mobile-tagline {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .yn-landing-bg::before,
  .yn-orb,
  .yn-vc-line,
  .yn-vc-node,
  .yn-hero-copy,
  .yn-feature-grid,
  .yn-login-story,
  .yn-login-card {
    animation: none !important;
  }
}